AArch64 MP+dmb.sy+pos-data-[ws-rf]-addr-ctrl "DMB.SYdWW Rfe PosRR DpDatadW WsLeave RfBack DpAddrdR DpCtrldR Fre" Cycle=Rfe PosRR DpDatadW WsLeave RfBack DpAddrdR DpCtrldR Fre DMB.SYdWW Relax= Safe=Rfe Fre PosRR DMB.SYdWW DpAddrdR DpDatadW DpCtrldR [WsLeave,RfBack] Prefetch=0:x=F,0:y=W,1:y=F,1:x=T Com=Rf Fr Rf Orig=DMB.SYdWW Rfe PosRR DpDatadW WsLeave RfBack DpAddrdR DpCtrldR Fre { 0:X1=x; 0:X3=y; 1:X1=y; 1:X4=z; 1:X8=a; 1:X10=x; 2:X1=z; } P0 | P1 | P2 ; MOV W0,#1 | LDR W0,[X1] | MOV W0,#2 ; STR W0,[X1] | LDR W2,[X1] | STR W0,[X1] ; DMB SY | EOR W3,W2,W2 | ; MOV W2,#1 | ADD W3,W3,#1 | ; STR W2,[X3] | STR W3,[X4] | ; | LDR W5,[X4] | ; | EOR W6,W5,W5 | ; | LDR W7,[X8,W6,SXTW] | ; | CBNZ W7,LC00 | ; | LC00: | ; | LDR W9,[X10] | ; Observed z=2; y=1; x=1; 1:X9=1; 1:X5=1; 1:X2=0; 1:X0=1; and z=1; y=1; x=1; 1:X9=1; 1:X5=1; 1:X2=0; 1:X0=1;